<template>
    <div class="app-container">
        <div class="search-container">
            <el-form ref="queryFormRef" :model="queryParams" :inline="true">
                <el-form-item label="关键字" prop="keywords">
                    <el-input v-model="queryParams.keywords" placeholder="部门名称" @keyup.enter="handleQuery" />
                </el-form-item>

                <el-form-item label="部门状态" prop="status">
                    <el-select v-model="queryParams.status" placeholder="全部" clearable class="!w-[100px]">
                        <el-option :value="1" label="正常" />
                        <el-option :value="0" label="禁用" />
                    </el-select>
                </el-form-item>
                <el-form-item>
                    <el-button class="filter-item" type="primary" @click="handleQuery">
                        <i-ep-search />
                        搜索
                    </el-button>
                    <el-button @click="handleResetQuery">
                        <i-ep-refresh />
                        重置
                    </el-button>
                </el-form-item>
            </el-form>
        </div>

        <el-card shadow="never" class="table-container">
            <template #header>
                <el-button v-hasPerm="['sys:dept:add']" type="success" @click="handleOpenDialog(0, undefined)">
                    <i-ep-plus />
                    新增
                </el-button>
                <el-button
                    v-hasPerm="['sys:dept:delete']"
                    type="danger"
                    :disabled="ids.length === 0"
                    @click="handleDelete()"
                >
                    <i-ep-delete />
                    删除
                </el-button>
            </template>

            <el-table
                v-loading="loading"
                :data="deptList"
                row-key="id"
                default-expand-all
                :tree-props="{
                    children: 'children',
                    hasChildren: 'hasChildren'
                }"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center" />
                <el-table-column prop="name" label="部门名称" min-width="200" />
                <el-table-column prop="code" label="部门编号" width="200" />
                <el-table-column prop="status" label="状态" width="100">
                    <template #default="scope">
                        <el-tag v-if="scope.row.status == 1" type="success">正常</el-tag>
                        <el-tag v-else type="info">禁用</el-tag>
                    </template>
                </el-table-column>

                <el-table-column prop="sort" label="排序" width="100" />

                <el-table-column label="操作" fixed="right" align="left" width="200">
                    <template #default="scope">
                        <el-button
                            v-hasPerm="['sys:dept:add']"
                            type="primary"
                            link
                            size="small"
                            @click.stop="handleOpenDialog(scope.row.id, undefined)"
                        >
                            <i-ep-plus />
                            新增
                        </el-button>
                        <el-button
                            v-hasPerm="['sys:dept:edit']"
                            type="primary"
                            link
                            size="small"
                            @click.stop="handleOpenDialog(scope.row.parentId, scope.row.id)"
                        >
                            <i-ep-edit />
                            编辑
                        </el-button>
                        <el-button
                            v-hasPerm="['sys:dept:delete']"
                            type="danger"
                            link
                            size="small"
                            @click.stop="handleDelete(scope.row.id)"
                        >
                            <i-ep-delete />
                            删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
        </el-card>

        <el-dialog v-model="dialog.visible" :title="dialog.title" width="600px" @closed="handleCloseDialog">
            <el-form ref="deptFormRef" :model="formData" :rules="rules" label-width="80px">
                <el-form-item label="上级部门" prop="parentId">
                    <el-tree-select
                        v-model="formData.parentId"
                        placeholder="选择上级部门"
                        :data="deptOptions"
                        filterable
                        check-strictly
                        :render-after-expand="false"
                    />
                </el-form-item>
                <el-form-item label="部门名称" prop="name">
                    <el-input v-model="formData.name" placeholder="请输入部门名称" />
                </el-form-item>
                <el-form-item label="部门编号" prop="code">
                    <el-input v-model="formData.code" placeholder="请输入部门编号" />
                </el-form-item>
                <el-form-item label="显示排序" prop="sort">
                    <el-input-number v-model="formData.sort" controls-position="right" style="width: 100px" :min="0" />
                </el-form-item>
                <el-form-item label="部门状态">
                    <el-radio-group v-model="formData.status">
                        <el-radio :value="1">正常</el-radio>
                        <el-radio :value="0">禁用</el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>

            <template #footer>
                <div class="dialog-footer">
                    <el-button type="primary" @click="handleSubmit">确 定</el-button>
                    <el-button @click="handleCloseDialog">取 消</el-button>
                </div>
            </template>
        </el-dialog>
    </div>
</template>

<script setup lang="ts">
defineOptions({
    name: 'Dept',
    inheritAttrs: false
})

import DeptAPI, { DeptVO, DeptForm, DeptQuery } from '@/api/dept'

const queryFormRef = ref(ElForm)
const deptFormRef = ref(ElForm)

const loading = ref(false)
const ids = ref<number[]>([])
const dialog = reactive({
    title: '',
    visible: false
})

const queryParams = reactive<DeptQuery>({})
const deptList = ref<DeptVO[]>()

const deptOptions = ref<OptionType[]>()

const formData = reactive<DeptForm>({
    status: 1,
    parentId: 0,
    sort: 1
})

const rules = reactive({
    parentId: [{ required: true, message: '上级部门不能为空', trigger: 'change' }],
    name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' }],
    code: [{ required: true, message: '部门编号不能为空', trigger: 'blur' }],
    sort: [{ required: true, message: '显示排序不能为空', trigger: 'blur' }]
})

/** 查询部门 */
function handleQuery() {
    loading.value = true
    DeptAPI.getList(queryParams).then(data => {
        console.log('handleQuery', data)
        deptList.value = data
        loading.value = false
    })
}

/** 重置查询 */
function handleResetQuery() {
    queryFormRef.value.resetFields()
    handleQuery()
}

/** 行复选框选中记录选中ID集合 */
function handleSelectionChange(selection: any) {
    ids.value = selection.map((item: any) => item.id)
}

/**
 * 打开部门弹窗
 *
 * @param parentId 父部门ID
 * @param deptId 部门ID
 */
async function handleOpenDialog(parentId?: number, deptId?: number) {
    // 加载部门下拉数据
    const data = await DeptAPI.getOptions()
    deptOptions.value = [
        {
            value: 0,
            label: '顶级部门',
            children: data
        }
    ]

    dialog.visible = true
    if (deptId) {
        dialog.title = '修改部门'
        DeptAPI.getFormData(deptId).then(data => {
            Object.assign(formData, data)
        })
    } else {
        dialog.title = '新增部门'
        formData.parentId = parentId ?? 0
    }
}

/** 提交部门表单 */
function handleSubmit() {
    deptFormRef.value.validate((valid: any) => {
        if (valid) {
            loading.value = true
            const deptId = formData.id
            if (deptId) {
                DeptAPI.update(deptId, formData)
                    .then(() => {
                        ElMessage.success('修改成功')
                        handleCloseDialog()
                        handleQuery()
                    })
                    .finally(() => (loading.value = false))
            } else {
                console.log('新增部门', formData)
                DeptAPI.add(formData)
                    .then(() => {
                        ElMessage.success('新增成功')
                        handleCloseDialog()
                        handleQuery()
                    })
                    .finally(() => (loading.value = false))
            }
        }
    })
}

/** 删除部门 */
function handleDelete(deptId?: number) {
    const deptIds = [deptId || ids.value].join(',')

    if (!deptIds) {
        ElMessage.warning('请勾选删除项')
        return
    }

    ElMessageBox.confirm(`确认删除已选中的数据项?`, '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
    }).then(
        () => {
            loading.value = true
            DeptAPI.deleteByIds(deptIds)
                .then(() => {
                    ElMessage.success('删除成功')
                    handleResetQuery()
                })
                .finally(() => (loading.value = false))
        },
        () => {
            ElMessage.info('已取消删除')
        }
    )
}

/** 关闭弹窗 */
function handleCloseDialog() {
    dialog.visible = false

    deptFormRef.value.resetFields()
    deptFormRef.value.clearValidate()

    formData.id = undefined
    formData.parentId = 0
    formData.status = 1
    formData.sort = 1
}

onMounted(() => {
    handleQuery()
})
</script>
